Brownian Movement 2010 Ok.ru

[Brittany Bhadd]

Iam trying to calculate some BBMM.contours for caribou during a movement period in northern Canada. I am still in the exploratory phase of using this function, and have worked through some tutorials which worked fine, but now that I am trying my sample data the brownian.bridge function seems to be taking an eternity.I understand that this is a function that can take a long time to calculate, but I have tried subsetting my data to including fewer and fewer locations, simply to see if the end product is what I want before committing to running the dataset with thousands of locations. Currently I only have 34 locations in the subset, and I have waited over night for it to run without any completion. When I used some practice Panther location data with 1000 locations it took under a minute to run, so I am thinking there is something wrong with my code or my data. Any help working through this would be greatly appreciated.

Hi holly,

Just as an example, I was thinking of something like this: ,

i.e. those additional elements that appear in a 2D anime style but their movements

are three-dimentional. Just for your information, the bubbles in the movie clip are just

sphere meshes parented to an empty object that slowly rotates. I believe there is a

plenty of interesting 3D effects to be added to any part your character shows up.

I look forward to seeing the updates of the music video.

Thanks for the advice TK, I like the vid and it def gives me ideas! Im thinking of looking into seeing if anyone has made brownian motion python scripts so i can be lazy with random bubble movements and bake them.

i havent done anything on this cmv(at least parts 1-3) in weeks as i couldnt figure out what to do about it. i got a flash of inspiration the other day on what i can do so ill be starting again on this soon XD going to use either bubbles or glowing balls like what len uses in the game.

I have a comment about the animated textures in the eyes. The highlights should stay in place relative to the position of the head to the light source. Not based on the direction the eye ball is turning. I have not watched a lot of amine so forgive me if this is never an issue.

But in reality, the origin of eye specular highlights comes from classic studio lighting where you have a fill light and a spot light. So the dots in the eyes each represent on of the lights and happens in the real world.

So for instance if the head turns right, the highlight would travel across the eye from right to left. However the eye ball rotating in the socket does not change the incident angle actually. Maybe ever so slightly but hardly noticeable. It is position/angle of the head that makes the difference.

So for a slightly more realistic approach the highlight could be a separate texture composted over the other eye texture. I am not sure about how you would script it or what but maybe there is an easy way to make it hold its position based on world coordinates or even a set object out in 3D space. Not sure.

i guess i forgot to update the node setup since that last time, it has changed from the one i did in the halfthread a while ago (in particular, it adds in colour controlled facial shadows and the means to move and highlight the eyes).

These are all layered together to give the final eye texture (eyewhite->eyeball(left or right)->eyelash) and the animation of these are controlled by bones for the highlight and the eyeball position. The shape of the eyes and blinking motion is created by using different layers and using my textureselector pynode (see my other threads) to determine when and which to use. The eyeball movement mask is for the eyeballs, most of the time the eyeballs will be covered slightly or so by the lashes, so this mask stops the eyeball texture spilling over past the eyelashes and eyewhites onto the skin.

ah, dont worry about it richard. i guess the highlight spot pynode doesnt seem to do much in this cmv so far as shes only turned once and the other times shes only been on screen for a few seconds >3 hopefully when i get the cmv finished there shall be more instances.

It would seem that if it did NOT circulate the fluid in the caliper or wheel cylinder would brake .down because of the heat , and maybe it would be better to bleed the brakes to get "fresh" fluid in the caliper

Brake fluid absorbs water from the air. The boiling point drops when this happens - the difference between rated wet and dry boiling points is with only 3% water. And it's exposed to extreme heat at the caliper. When it boils, you get air bubbles and a soft pedal. That's why you need to bleed and flush it fairly often.

I suspect the hoses - being just rubber with no liner I can remember - have a certain degree of permeability. The reservoir is not completely sealed either. So I'm guessing that most of it is via the reservoir but the hoses also contribute somewhat.

Even if there's no actual circulation, brownian motion would eventually mix all the fluid. We're talking months of time here. And I'll bet there is some circulation, if only because you are pumping fluid from the master to the calipers as part of engaging the brakes.

At every pad replacement, I use a suction device to remove as much fluid from the reservoir as I can, then I open the caliper bleeders before pushing the pistons back. This gets rid of most of the old fluid. Refill reservoir with new fluid, and leave caliper bleeders open until clean fluid is coming out.

but your question made me LOL because i'm an engineer with a pretty good command of the mechanics of the English language, and I could hear my 9th grade English teacher's voice asking, "Why do you care about theoretical brake fluid?"

these days, a system has to be pretty poorly designed / implemented to boil the fluid, at least in the OE world. Most pads are "NAO" (non-asbestos organic) which are great insulators. Probably only 10% of brake energy goes into the pad, the rest goes into the rotor.

just thinking about the geometry of a drum brake, there's very little path for thermal conduction between the friction material and the wheel cylinder. back in the day, once cars got fast enough to cook their brakes, vented backing plates with ducting became pretty standard for racing. they also had "sintered metallic" linings which provided more stable friction output as temperature increased. HERE.is a pretty informative thread about the early Corvette big (drum) brakes, with pix.

I might know a guy (okay, it's me) that has two un-opened steel cans, 1 Liter each, of ATE Super Blue Racing DOT 4 brake fluid. I was going to put it in my wife's Audi, but never got around to it and we sold the car years ago. My plan is to sit on this stuff another 10 years, then sell it on ebay and buy a new Mercedes with the proceeds.

That was pretty much it, sintered linings, ducts and leaning on the bumper ahead of you. I read about Mark Donohue showing up to a NASCAR race with discs and getting rear ended because no one else could slow as quickly.

The fluid would largely not be circulating through the system, that would entail mass movement with continuity. Moisture can diffuse through the system and some dirt to some limited degree. You will also have some mixing due to back and forth movement. Different things that affect the fluid will work via different mechanisms at different rates depending on the contaminant. I have had calipers with a lot of dark fluid and clean stuff some way up the line.

The cell is a very crowded place. Chock full of macromolecules, such as enzymes, filamentous proteins, and organelles all suspended in water. Take a look at this artistic interpretation of the nucleus:

This random motion was first observed in 1827 by Robert Brown. While examining pollen grains suspended in water, he noticed the pollen jittering around in the petri dish. Today we call this type of movement brownian motion.

These helper proteins are usually made up of two important parts. One part grabs on to the RNA. The other part binds to the nuclear pore. Together, these two parts act like a magnet that guides the mRNA exactly where it needs to go.

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